OpenTechnical

OT-2026-000086984

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000086984) never changes.

Identity and time

Publication numberOT-2026-000086984 · never reused
Internal UUID01a0ae9a-80a5-7eca-9325-5d3bfac1673d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086984
StatusPUBLIC

Content hashes

Canonical texte27e699b32d26702eb0daf7cdd6d010a9fe213b5276f1aa15e04d530a7979457
Markdown4331fc063c5108565bb407129a540b4283509a64ad7ff246f8f055745cd6a212
PDF
Publication paged0b2fc272502c6a31aed1f10454e785c18ec9b41ad9eaea5a044a023bdfc4a61
Manifestfc54243df2ee13bd3a44e64efb6ebb29e0c0f18b4a80531438da55ef438b6a59

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturevga3hMO9Lcbp1FU1f/Wmb+yNNxAq3Tb+Njo3PbE3q/DkIItLvoy/zCGyE72s2SowiVoqHYrTU3e5KQKxbVlXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:53.074638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086984
observed d0b2fc272502c6a31aed1f10454e785c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.058305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086984/manifest.json
observed fc54243df2ee13bd3a44e64efb6ebb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.039039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086984/publication.md
observed 4331fc063c5108565bb407129a540b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.021031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086984/publication.txt
observed e27e699b32d26702eb0daf7cdd6d010a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.